3 papers
cond-mat.mtrl-sci2026
Measuring momentum-resolved dissipation of phonon-polaritons in LiNbO with terahertz driving
Megan F. Biggs, Rossella Acampora, Niccolò Sellati +5
Mapping the dispersion of polaritons, hybrid quasiparticles arising from light-matter coupling, can provide key insights into the material dielectric response, coupling strength, a…
cond-mat.mes-hall2025
Ultrafast Faraday Rotation Probe of Chiral Phonon-Polaritons in LiNbO3
Megan F. Biggs, Sin-hang, Ho +4
Time reversal symmetry breaking motion of chiral phonon-polaritons in LiNbO3 is probed via the ultrafast Faraday effect. By combining a pair of perpendicularly polarized THz pulses…
physics.optics2024
High-Dynamic Range Broadband Terahertz Time-Domain Spectrometer Based on Organic Crystal MNA
Samira Mansourzadeh, Tim Vogel, Alan Omar +7
We present a high power and broadband THz-TDS setup utilizing the nonlinear organic crystal MNA both as emitter and detector. The THz source is based on optical rectification of ne…